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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. std::vector<int> getFibs(int from, int to);
  5.  
  6. int main(int argc, char** argv)
  7. {
  8.     int from,to;
  9.     std::cout << "Which fibonacci numbers do you want?" << std::endl
  10.               << "from: ";
  11.     std::cin >> from;
  12.     std::cout << "to: ";
  13.     std::cin >> to;
  14.     std::vector<int> fibs = getFibs(from,to);
  15.     std::cout << "[";
  16.     for(std::vector<int>::iterator it=fibs.begin(); it!=fibs.end(); ++it)
  17.     {
  18. 	std::cout << *it << " ";
  19.     }
  20.     std::cout << "]" << std::endl;
  21.     return 0;
  22. }
  23.  
  24. std::vector<int> getFibs(int from, int to)
  25. {
  26.      int a = 0;
  27.      int b = 1;
  28.      for(int i=0; i<from;++i) {
  29.          b += a;
  30.          a = b - a;
  31.      }
  32.      std::vector<int> result;
  33.      for(int i=from;i<to;++i) {
  34.          b += a;
  35.          a = b - a;
  36.          result.push_back(a);
  37.      }
  38.      return result;
  39. }
Success #stdin #stdout 0.26s 2684KB
comments (?)
stdin
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Standard input is empty
stdout
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Which fibonacci numbers do you want?
from: to: []
https://ideone.com/OntbV
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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